(1990). Annual survey of industries 1989: : Report No. 1. Ministry of policy planning and implementation.
Chicago Style (17th ed.) CitationAnnual Survey of Industries 1989: : Report No. 1. Colombo: Ministry of policy planning and implementation, 1990.
MLA (9th ed.) CitationAnnual Survey of Industries 1989: : Report No. 1. Ministry of policy planning and implementation, 1990.
Warning: These citations may not always be 100% accurate.